| Classification | Fungi: Basidiomycota: Pucciniomycetes: Pucciniales: Melampsoraceae: Hyalopsora |
| Harvard University Herbaria Barcode(s) | 00990099 |
| Collector | S. K. Harris, J. P. Tracy & H. S. Yates |
| Collector number | 3435 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County |
| Locality | Northwest slopes of Buck Mountain |
| Date Collected | 1936-06-17 |
| Verbatim Elevation | 2700 feet |
| Container | Plants of California |
| Host | Cystopteris fragilis |
| Project | Microfungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e3267237-56db-489e-b513-45d9d8c5a22a |
| Harvard University Herbaria Barcode | 00990099 |
| Herbarium | FH |
| Previous ownership | ex Gray Herbarium |
| Family | Melampsoraceae |
| Determination | Hyalopsora polypodii (Persoon) Magnus |
| Determined by | [data not captured] |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
